Michael Williamson

📍 Newark, OH: #11 of 29 inventorsTop 40%

🗺 Ohio: #715 of 3,574 inventorsTop 25%

Overall (1989): #74,891 of 140,708Top 55%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4846303	Two-position ladder	Richard F. Cooper	1989-07-11